<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 搜索框 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              @click="getUserList"
              slot="append"
              icon="el-icon-search"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            @click="addDialogVisible = true"
          >添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table
        :data="userlist"
        border
        stripe
      >
        <el-table-column
          label="#"
          type="index"
        ></el-table-column>
        <el-table-column
          label="姓名"
          prop="username"
        ></el-table-column>
        <el-table-column
          label="邮箱"
          prop="email"
        ></el-table-column>
        <el-table-column
          label="电话"
          prop="mobile"
        ></el-table-column>
        <el-table-column
          label="角色"
          prop="role_name"
        ></el-table-column>
        <el-table-column
          label="状态"
          prop="mg_state"
        >
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          width="180px"
        >
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                @click="setRole(scope.row)"
                type="warning"
                icon="el-icon-setting"
                size="mini"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 对话框 -->
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="ruleFormRules"
        ref="addFormRef"
        status-icon
        label-width="70px"
      >
        <el-form-item
          label="用户名"
          prop="username"
        >
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item
          label="密码"
          prop="password"
        >
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item
          label="手机号"
          prop="mobile"
        >
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="addUser"
        >确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDiglogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="editForm"
        :rules="ruleFormRules"
        ref="addFormRef"
        status-icon
        label-width="70px"
      >
        <el-form-item
          label="用户名"
          prop="username"
        >
          <el-input
            disabled
            v-model="editForm.username"
          ></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item
          label="手机号"
          prop="mobile"
        >
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="editDiglogClose">取 消</el-button>
        <el-button
          type="primary"
          @click="editUserInfo"
        >确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select
            v-model="selectedRoleId"
            placeholder="请选择"
          >
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="saveRoleInfo"
        >确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取用户列表参数对象
      queryInfo: {
        query: 12,
        pagenum: 1,
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      addDialogVisible: false,
      //添加用户表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      ruleFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "用户名长度在3-10之间" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 16, message: "用户名长度在6-16之间" },
        ],
        email: [{ required: true, message: "请输入邮箱", trigger: "blur" }],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { min: 11, max: 11, message: "手机号为11位" },
        ],
      },
      //修改用户信息状态框
      editDiglogVisible: false,
      //编辑用户信息
      editForm: {},
      //角色对话框
      setRoleDialogVisible: false,
      userInfo: {},
      //所有角色数据列表
      rolesList: [],
      //已经选中角色id值
      selectedRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      // console.log(this.queryInfo);
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      // console.log(res);
      if (res.meta.status !== 200)
        return this.$message.error("获取用户列表失败");
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      // 设置显示几条
      this.getUserList();
    },
    //监听页码值改变
    handleCurrentChange(newPage) {
      // console.log(newPage);
      this.queryInfo.pagenum = newPage;
      // 设置显示几条
      this.getUserList();
    },
    //监听 开关状态
    async userStateChanged(userInfo) {
      // console.log(userInfo);
      const { data } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      // console.log(data);
      if (data.meta.status !== 200) {
        userInfo.mg_state = !mg_state;
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("更新用户状态成功");
    },
    //监听添加用户给对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //添加用户信息
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        // console.log(valid);
        if (!valid) return;
        //可以添加用户的网络请求
        const { data: res } = await this.$http.post("/users", this.addForm);
        if (res.meta.status !== 201) return this.$message.error("添加用户失败");
        this.$message.success("添加用户成功");
        this.addDialogVisible = false;
        //重新获取用户列表
        this.getUserList();
      });
    },
    //修改信息对话框
    async showEditDialog(id) {
      // console.log(id);
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200)
        return this.$message.error("查询用户信息失败");
      this.editForm = res.data;
      this.editDiglogVisible = true;
    },
    //监听关闭修改用户窗口
    editDiglogClose() {
      //重置提示
      this.$refs.addFormRef.resetFields();
      this.editDiglogVisible = false;
    },
    //修改用户信息并提交
    editUserInfo() {
      this.$refs.addFormRef.validate(async (valid) => {
        // console.log(valid);
        if (!valid) return;
        //发起修改
        const data = await this.$http.put("users/" + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile,
        });
        // console.log(data);
        if (data.status !== 200) return this.$$message.error("更新用户失败");
        this.editDiglogVisible = false;
        this.getUserList();
        this.$message.success("修改成功");
      });
    },
    //根据id删除用户
    removeUserById(id) {
      //弹框询问是否删除数据
      this.$confirm("世上没有后悔药, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          const { data } = await this.$http.delete("users/" + id);
          console.log(data);
          if (data.meta.status !== 200) return this.$message.error("删除失败");
          this.getUserList();
          this.$message({
            type: "success",
            message: "删除成功!",
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
    //分配角色权限
    async setRole(userInfo) {
      this.setRoleDialogVisible = true;
      //获取所有角色的列表
      const data = await this.$http.get("/roles");
      // console.log(data);
      if (data.status !== 200) return this.$message.error("获取角色列表失败");
      // console.log(data.data.data);
      this.rolesList = data.data.data;
      this.userInfo = userInfo;
    },
    //点击按钮，分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error("请选择分配的角色！");
      }

      const data = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId,
      });
      if (data.status !== 200) return this.$message.error("更新角色失败");
      this.getUserList();
      // console.log(data);
      this.setRoleDialogVisible = false;
      this.$message.success("更新角色成功");
    },
    //关闭角色对话框
    setRoleDialogClosed() {
      this.selectedRoleId = "";
      this.userInfo = "";
    },
  },
};
</script>

<style lang="stylus" scoped>
.el-breadcrumb {
  margin-bottom: 15px;
  font-size: 12px;
}

.el-card {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);

  .el-table {
    margin-top: 15px;
    font-size: 12px;
  }
}

.el-pagination {
  margin-top: 15px;
}
</style>